Seiko Cal. 6697 - 307

The 6697-307 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6697 caliber with 17j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-48645046c755]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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