Seiko Cal. 6258 - 728

The Seiko 6258-728 represents an important milestone in Seiko's 1981 lineup. Powered by the 6258 caliber with 34j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-86c7c2c0d565]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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