Seiko Cal. 5636 - 854

The 5636-854 is a sought-after Solar piece from Seiko's golden era. Powered by the 5636 caliber with 20j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-c2a92259ed61]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

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