Seiko Cal. 0742 - 846

This Spring Drive model from 1991 features a 36mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-b95f00861f1e]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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