Seiko Cal. 5660 - 835

The Seiko 5660-835 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-ba0a3294f595]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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