Seiko Cal. 4526 - 978

The Seiko 4526-978 represents an important milestone in Seiko's 1965 lineup. Powered by the 4526 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-05415bfbb2c1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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