Seiko Cal. 5217 - 939

The Seiko 5217-939 represents an important milestone in Seiko's 1967 lineup. Powered by the 5217 caliber with 20j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-d7d70b9ae540]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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