Seiko Cal. 6691 - 376

The 6691-376 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6691 caliber with 23j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-1b041c4520fd]

Also known as: Sea Horse, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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