Seiko Cal. 6183 - 903

This Hand-Winding model from 1973 features a 40mm Hardlex-Coated Steel case. Powered by the 6183 caliber with 34j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-271edeaf5301]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1973

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