Seiko Cal. 4471 - 373

The Seiko 4471-373 represents an important milestone in Seiko's 1978 lineup. Powered by the 4471 caliber with 28j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-754165b84b4c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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