Seiko Cal. 7197 - 642

The 7197-642 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7197 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-dcf996ce6dac]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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