Seiko Cal. 6641 - 484

This Quartz model from 1970 features a 37mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-8a74b382f707]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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