Seiko Cal. 6641 - 120

This Quartz model from 1972 features a 46mm Hardlex-Coated Steel case. Powered by the 6641 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-4365cb708ec8]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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