Seiko Cal. 6636 - 805

This Hand-Winding model from 1990 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-0807aa9c5791]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1990

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