Seiko Cal. 5639 - 146

The 5639-146 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-dedad58961fc]

Also known as: UFO, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1991

Related Models

• Seiko 5245-415
• Seiko 4570-796
• Seiko 5665-669
• Seiko 6255-491
• Seiko 6246-232
• Seiko 0799-289
• Seiko 6347-889
• Seiko 6142-851
• Seiko 6662-688
• Seiko 6627-717
• Seiko 7168-770
• Seiko 6241-126