Seiko Cal. 5236 - 640

The 5236-640 is a sought-after Solar piece from Seiko's golden era. Powered by the 5236 caliber with 35j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-2ce65198cdc4]

Also known as: UFO, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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