Seiko Cal. 0781 - 804

This Spring Drive model from 1984 features a 43mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-0586b6c78290]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1984

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