Seiko Cal. 6137 - 169

This Hand-Winding model from 1997 features a 35mm Gold-Plated case. Powered by the 6137 caliber with 31j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-fc8e8f1ac273]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1997

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