Seiko Cal. 5660 - 134

This Spring Drive model from 1965 features a 38mm PVD Black case. Powered by the 5660 caliber with 34j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-b8aaf8348cc3]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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