Seiko Cal. 4526 - 250

The Seiko 4526-250 represents an important milestone in Seiko's 1971 lineup. Powered by the 4526 caliber with 27j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-e07e335b1d80]

Also known as: Sumo, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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