Seiko Cal. 5639 - 308

The Seiko 5639-308 represents an important milestone in Seiko's 1991 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2cd01bb6f2e7]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

Related Models

• Seiko 5219-652
• Seiko 4475-661
• Seiko 7199-608
• Seiko 4558-995
• Seiko 5295-929
• Seiko 6374-885
• Seiko 6682-178
• Seiko 4550-555
• Seiko 4494-764
• Seiko 6154-412
• Seiko 6111-563
• Seiko 5222-158