Seiko Cal. 5635 - 326

The Seiko 5635-326 represents an important milestone in Seiko's 1978 lineup. Powered by the 5635 caliber with 35j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-7e8f55f75cb3]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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