Seiko Cal. 4556 - 940

This Hand-Winding model from 1990 features a 41mm Two-Tone case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6a78872a3707]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1990

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