Seiko Cal. 6337 - 231

The 6337-231 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6337 caliber with 22j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-76e9c643a809]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1984

Related Models

• Seiko 3892-442
• Seiko 7020-901
• Seiko 6292-593
• Seiko 5221-643
• Seiko 7119-299
• Seiko 3875-427
• Seiko 0751-924
• Seiko 6325-378
• Seiko 6169-994
• Seiko 4571-113
• Seiko 6255-423
• Seiko 0721-983