Seiko Cal. 6690 - 372

This Hand-Winding model from 1988 features a 43mm Stainless Steel case. Powered by the 6690 caliber with 29j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-fd07e6fa7c45]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

Related Models

• Seiko 4545-314
• Seiko 6313-992
• Seiko 6280-825
• Seiko 5246-802
• Seiko 6259-665
• Seiko 7035-438
• Seiko 4448-965
• Seiko 5625-143
• Seiko 7083-288
• Seiko 7179-312
• Seiko 0792-372
• Seiko 5673-961