Seiko Cal. 5651 - 684

This Spring Drive model from 1991 features a 35mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-16182234979e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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