Seiko Cal. 5660 - 713

This Automatic model from 1970 features a 42mm PVD Black case. Powered by the 5660 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a53c29f26c4f]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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