Seiko Cal. 5641 - 817

This Hand-Winding model from 1989 features a 41mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-29ee1c844733]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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