Seiko Cal. 4452 - 137

The Seiko 4452-137 represents an important milestone in Seiko's 1971 lineup. Powered by the 4452 caliber with 22j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-bf3cfca0817d]

Also known as: Shogun, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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