Seiko Cal. 4540 - 522

The Seiko 4540-522 represents an important milestone in Seiko's 1988 lineup. Powered by the 4540 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-c45c112bfb22]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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