Seiko Cal. 6637 - 726

This Kinetic model from 1977 features a 42mm Gold-Plated case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f35e6cecad36]

Also known as: Sea Horse, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1977

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