Seiko Cal. 3854 - 971

This Hand-Winding model from 1986 features a 40mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-209eba2dc020]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1986

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