Seiko Cal. 5660 - 685

The Seiko 5660-685 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-a8372e5fc3fa]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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