Seiko Cal. 5612 - 365

The Seiko 5612-365 represents an important milestone in Seiko's 1990 lineup. Powered by the 5612 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4853ce24149b]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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