Seiko Cal. 5641 - 502

The Seiko 5641-502 represents an important milestone in Seiko's 1999 lineup. Powered by the 5641 caliber with 32j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-535f9315ef64]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1999

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