Seiko Cal. 5687 - 665

The Seiko 5687-665 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8412d3ff0800]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

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