Seiko Cal. 6690 - 974

This Hand-Winding model from 1965 features a 40mm PVD Black case. Powered by the 6690 caliber with 29j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-26297e65e857]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1965

Related Models

• Seiko 3837-501
• Seiko 6681-940
• Seiko 4559-505
• Seiko 7050-745
• Seiko 6144-967
• Seiko 6265-497
• Seiko 6646-374
• Seiko 5246-742
• Seiko 5251-484
• Seiko 6231-535
• Seiko 7015-657
• Seiko 4424-732