Seiko Cal. 6631 - 927

The 6631-927 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-24356dc15957]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1989

Related Models

• Seiko 4496-581
• Seiko 3831-682
• Seiko 6270-416
• Seiko 6262-219
• Seiko 3828-145
• Seiko 0760-178
• Seiko 3823-495
• Seiko 5685-395
• Seiko 6621-165
• Seiko 6673-855
• Seiko 6248-475
• Seiko 4558-924