Seiko Cal. 4526 - 687

The Seiko 4526-687 represents an important milestone in Seiko's 1967 lineup. Powered by the 4526 caliber with 30j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-7565ff302aa3]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1967

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