Seiko Cal. 6638 - 435

This Kinetic model from 1973 features a 41mm PVD Black case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-63bd4e047b9b]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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