Seiko Cal. 5685 - 674

The 5685-674 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5685 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-39c968ff5bf3]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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