Seiko Cal. 6291 - 231

The Seiko 6291-231 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-3e39a895c3ff]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

Related Models

• Seiko 7143-689
• Seiko 5247-792
• Seiko 4489-495
• Seiko 5258-184
• Seiko 4597-900
• Seiko 6261-911
• Seiko 7150-146
• Seiko 4415-112
• Seiko 6165-864
• Seiko 6355-509
• Seiko 4598-329
• Seiko 6673-463