Seiko Cal. 6639 - 592

The Seiko 6639-592 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-089f17c2cc0a]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

Related Models

• Seiko 6129-702
• Seiko 3860-537
• Seiko 6645-376
• Seiko 6221-841
• Seiko 7135-753
• Seiko 5689-937
• Seiko 6189-432
• Seiko 6138-428
• Seiko 5695-503
• Seiko 5261-212
• Seiko 4570-613
• Seiko 7163-263