Seiko Cal. 5652 - 403

The Seiko 5652-403 represents an important milestone in Seiko's 1977 lineup. Powered by the 5652 caliber with 25j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-b6f21f333495]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

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