Seiko Cal. 6641 - 577

This Quartz model from 1978 features a 38mm Titanium case. Powered by the 6641 caliber with 36j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-b9e9cd7364f7]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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