Seiko Cal. 6231 - 697

Released in 1992, the Cal. 6231 with design code 697 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-1cb0ecb978d2]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1992

Related Models

• Seiko 7152-330
• Seiko 6163-713
• Seiko 6331-779
• Seiko 6698-299
• Seiko 6373-643
• Seiko 6392-166
• Seiko 6331-312
• Seiko 4436-249
• Seiko 4576-424
• Seiko 4456-736
• Seiko 3849-386
• Seiko 6296-843