Seiko Cal. 6337 - 616

This Spring Drive model from 1995 features a 37mm PVD Black case. Powered by the 6337 caliber with 18j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-48b548e27c37]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1995

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