Seiko Cal. 6634 - 672

This Spring Drive model from 1992 features a 40mm Gold-Plated case. Powered by the 6634 caliber with 22j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-c0a0a9dad316]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1992

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