Seiko Cal. 5275 - 437

The Seiko 5275-437 represents an important milestone in Seiko's 1982 lineup. Powered by the 5275 caliber with 34j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-76951433133d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1982

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