Seiko Cal. 6636 - 661

This Spring Drive model from 1980 features a 44mm Titanium case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0609fd766ca0]

Also known as: Panda, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1980

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