Seiko Cal. 5641 - 237

Released in 1968, the Cal. 5641 with design code 237 was part of Seiko's domestic market collection. Powered by the 5641 caliber with 29j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-04c24cf433bd]

Also known as: Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

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