Seiko Cal. 6399 - 908

This Hand-Winding model from 1972 features a 41mm Hardlex-Coated Steel case. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-5e5ac66daad1]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

Related Models

• Seiko 3886-257
• Seiko 4415-318
• Seiko 6366-714
• Seiko 3845-192
• Seiko 4597-859
• Seiko 6392-947
• Seiko 7010-258
• Seiko 3889-767
• Seiko 5611-829
• Seiko 5664-900
• Seiko 4465-479
• Seiko 4421-216