Seiko Cal. 7172 - 378

This Spring Drive model from 1993 features a 40mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-d60ed56298f3]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1993

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