Seiko Cal. 0725 - 313

The Seiko 0725-313 represents an important milestone in Seiko's 1967 lineup. Powered by the 0725 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9ae4f8b07dc6]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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