Seiko Cal. 0788 - 521

This Spring Drive model from 1979 features a 42mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-8a3536f55c49]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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