Seiko Cal. 5639 - 463

The Seiko 5639-463 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-4454288bbed0]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

Related Models

• Seiko 7046-917
• Seiko 6224-524
• Seiko 6262-368
• Seiko 4430-695
• Seiko 5231-572
• Seiko 3855-704
• Seiko 4525-610
• Seiko 4530-564
• Seiko 6195-620
• Seiko 6639-780
• Seiko 7127-367
• Seiko 6156-639