Seiko Cal. 5646 - 729

This Quartz model from 1993 features a 37mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-b756baa58b70]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1993

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