Seiko Cal. 3892 - 931

This Hand-Winding model from 1987 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-49b039ca3d75]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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