Seiko Cal. 3863 - 795

This Spring Drive model from 1973 features a 36mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-6abe5a67bc9e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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