Seiko Cal. 6638 - 818

This Kinetic model from 1970 features a 44mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-f1ad43d3eb53]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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