Seiko Cal. 5641 - 715

The 5641-715 is a sought-after Solar piece from Seiko's golden era. Powered by the 5641 caliber with 34j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-96c1b502ce1c]

Also known as: Sumo, Panda

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1990

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