Seiko Cal. 5643 - 671

This Solar model from 1973 features a 41mm PVD Black case. Powered by the 5643 caliber with 33j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-dd8dd942af2f]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1973

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