Seiko Cal. 7197 - 550

The Seiko 7197-550 represents an important milestone in Seiko's 1978 lineup. Powered by the 7197 caliber with 29j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-25b7b3e1abaa]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

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