Seiko Cal. 4526 - 750

The Seiko 4526-750 represents an important milestone in Seiko's 1977 lineup. Powered by the 4526 caliber with 17j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-ab95b7af18ce]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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