Seiko Cal. 0713 - 328

This Spring Drive model from 1969 features a 43mm PVD Black case. Powered by the 0713 caliber with 24j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-7af2395c0f98]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1969

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