Seiko Cal. 6683 - 409

This Spring Drive model from 1968 features a 39mm PVD Black case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-3189adc27934]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

Related Models

• Seiko 7049-109
• Seiko 0780-865
• Seiko 4459-332
• Seiko 7081-976
• Seiko 4512-761
• Seiko 3811-247
• Seiko 0779-887
• Seiko 7137-472
• Seiko 7134-669
• Seiko 7180-312
• Seiko 6181-406
• Seiko 6141-166