Seiko Cal. 6634 - 823

This Hand-Winding model from 1996 features a 37mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-7f9980e8bc63]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1996

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