Seiko Cal. 5683 - 704

This Hand-Winding model from 1997 features a 37mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-8eae8c772a02]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1997

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