Seiko Cal. 7197 - 257

The 7197-257 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7197 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-05020bb0d4e7]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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