Seiko Cal. 0764 - 503

This Spring Drive model from 1985 features a 45mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-bb9e199083d4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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