Seiko Cal. 6312 - 338

The 6312-338 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6312 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-df41d9707257]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1996

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