Seiko Cal. 5660 - 838

This Automatic model from 1971 features a 40mm Gold-Plated case. Powered by the 5660 caliber with 19j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-a4d5071bf7f4]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1971

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