Seiko Cal. 5615 - 452

The Seiko 5615-452 represents an important milestone in Seiko's 1965 lineup. Powered by the 5615 caliber with 36j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-25ce7ed1ecec]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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