Seiko Cal. 5621 - 939

The 5621-939 is a sought-after Solar piece from Seiko's golden era. Powered by the 5621 caliber with 35j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-a498f6a541d6]

Also known as: Panda, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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