Seiko Cal. 5636 - 505

This Spring Drive model from 1975 features a 39mm Titanium case. Powered by the 5636 caliber with 34j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-9bb51a880cd3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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