Seiko Cal. 4512 - 250

The Seiko 4512-250 represents an important milestone in Seiko's 1972 lineup. Powered by the 4512 caliber with 32j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-48d04cb4fae3]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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