Seiko Cal. 6691 - 507

This Hand-Winding model from 1994 features a 41mm PVD Black case. Powered by the 6691 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-c611abf3c5d3]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1994

Related Models

• Seiko 6625-791
• Seiko 7113-274
• Seiko 5615-708
• Seiko 4472-730
• Seiko 6324-222
• Seiko 4520-670
• Seiko 4550-725
• Seiko 6373-920
• Seiko 7172-291
• Seiko 5290-542
• Seiko 5228-563
• Seiko 6230-425