Seiko Cal. 3837 - 272

The Seiko 3837-272 represents an important milestone in Seiko's 1991 lineup. Powered by the 3837 caliber with 30j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-334e127c9984]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

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