Seiko Cal. 5617 - 367

This Spring Drive model from 1974 features a 45mm PVD Black case. Powered by the 5617 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-82191c1f85b1]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1974

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