Seiko Cal. 3860 - 812

The 3860-812 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-8e113aac5f80]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1972

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