Seiko Cal. 4565 - 471

The Seiko 4565-471 represents an important milestone in Seiko's 1977 lineup. Powered by the 4565 caliber with 30j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-6d427be525da]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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