Seiko Cal. 5631 - 173

This Quartz model from 1972 features a 38mm PVD Black case. Powered by the 5631 caliber with 31j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-3f2cf3780f55]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1972

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