Seiko Cal. 6691 - 327

The 6691-327 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6691 caliber with 22j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-bdc98711a8a9]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1993

Related Models

• Seiko 4591-332
• Seiko 6399-224
• Seiko 5280-403
• Seiko 7168-862
• Seiko 4514-643
• Seiko 7072-779
• Seiko 5665-629
• Seiko 6669-495
• Seiko 5683-393
• Seiko 5648-214
• Seiko 0747-442
• Seiko 5297-977