Seiko Cal. 0770 - 978

This Spring Drive model from 1975 features a 42mm Stainless Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-ac3ecb91073c]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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