Seiko Cal. 5646 - 144

This Hand-Winding model from 1972 features a 46mm PVD Black case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-617ed3e9b70e]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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