Seiko Cal. 7197 - 636

The 7197-636 is a sought-after Solar piece from Seiko's golden era. Powered by the 7197 caliber with 32j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-b7018223847a]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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