Seiko Cal. 5646 - 561

This Spring Drive model from 1989 features a 46mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-4d4e1898c7dd]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1989

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