Seiko Cal. 5637 - 148

This Spring Drive model from 1969 features a 37mm Hardlex-Coated Steel case. Powered by the 5637 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-33478becaa88]

Also known as: Panda, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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