Seiko Cal. 5638 - 599

This Hand-Winding model from 1966 features a 35mm Hardlex-Coated Steel case. Powered by the 5638 caliber with 30j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-958cc24285ca]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1966

Related Models

• Seiko 6315-760
• Seiko 7016-493
• Seiko 0779-966
• Seiko 6130-986
• Seiko 6134-427
• Seiko 5676-203
• Seiko 7089-297
• Seiko 6315-494
• Seiko 6353-790
• Seiko 7070-876
• Seiko 0757-475
• Seiko 4554-107