Seiko Cal. 6687 - 445

The Seiko 6687-445 represents an important milestone in Seiko's 1985 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5634bbc6e562]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1985

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