Seiko Cal. 5690 - 492

The 5690-492 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5690 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-36845720a808]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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