Seiko Cal. 6639 - 974

This Automatic model from 1970 features a 36mm PVD Black case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-17fc9facf2f2]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

Related Models

• Seiko 0750-283
• Seiko 6198-154
• Seiko 4455-332
• Seiko 4589-401
• Seiko 7156-962
• Seiko 4450-915
• Seiko 5663-873
• Seiko 7194-146
• Seiko 3828-881
• Seiko 6685-702
• Seiko 4482-317
• Seiko 3833-121