Seiko Cal. 0734 - 787

This Spring Drive model from 1987 features a 40mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-1b1e5ff4010d]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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