Seiko Cal. 6661 - 510

This Hand-Winding model from 1977 features a 38mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-5b718c33b694]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1977

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