Seiko Cal. 5638 - 372

Released in 1968, the Cal. 5638 with design code 372 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-074ada822ece]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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