Seiko Cal. 6691 - 342

This Spring Drive model from 1969 features a 36mm Two-Tone case. Powered by the 6691 caliber with 26j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-450ece297ed7]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1969

Related Models

• Seiko 5264-901
• Seiko 7051-704
• Seiko 0739-936
• Seiko 6396-710
• Seiko 6274-568
• Seiko 6611-618
• Seiko 6638-105
• Seiko 4562-695
• Seiko 0782-629
• Seiko 6177-239
• Seiko 6278-637
• Seiko 6615-401