Seiko Cal. 5639 - 363

This Automatic model from 1965 features a 42mm Gold-Plated case. Powered by the 5639 caliber with 32j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-69fedee1c617]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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