Seiko Cal. 5645 - 889

The 5645-889 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-49e0d35a23d3]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1967

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