Seiko Cal. 4439 - 687

The Seiko 4439-687 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f413ed0c2796]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

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