Seiko Cal. 5639 - 104

Released in 1992, the Cal. 5639 with design code 104 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-cb3bcfd37169]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1992

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