Seiko Cal. 5628 - 183

The Seiko 5628-183 represents an important milestone in Seiko's 1975 lineup. Powered by the 5628 caliber with 19j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-cd3485833d3e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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