Seiko Cal. 7093 - 279

This Spring Drive model from 1978 features a 40mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-81ae22d9527c]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1978

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