Seiko Cal. 6643 - 854

This Kinetic model from 1968 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-64f47e288380]

Also known as: Turtle, Bullhead

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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