Seiko Cal. 3817 - 806

This Spring Drive model from 1990 features a 37mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-0c22fc77abde]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1990

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