Seiko Cal. 6641 - 713

This Quartz model from 1971 features a 43mm Hardlex-Coated Steel case. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-7d45e9362736]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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