Seiko Cal. 0740 - 931

This Hand-Winding model from 1989 features a 40mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-019f32e59dfb]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

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