Seiko Cal. 5639 - 307

The Seiko 5639-307 represents an important milestone in Seiko's 1993 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d03278d3e014]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

Related Models

• Seiko 7131-233
• Seiko 6697-990
• Seiko 4444-602
• Seiko 7144-609
• Seiko 6365-957
• Seiko 6230-455
• Seiko 3823-562
• Seiko 7021-496
• Seiko 3810-519
• Seiko 6220-818
• Seiko 6226-577
• Seiko 5248-922