Seiko Cal. 5671 - 843

This Hand-Winding model from 1996 features a 41mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-23258d828a3d]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1996

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