Seiko Cal. 6635 - 846

This Automatic model from 1978 features a 36mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-ee83d7bd4245]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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