Seiko Cal. 6636 - 672

This Kinetic model from 1975 features a 39mm Two-Tone case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6be89a5b90c1]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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