Seiko Cal. 7197 - 637

The 7197-637 is a sought-after Solar piece from Seiko's golden era. Powered by the 7197 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-814d0300e6d5]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1971

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