Seiko Cal. 6646 - 868

The Seiko 6646-868 represents an important milestone in Seiko's 1967 lineup. Powered by the 6646 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b085d6e20a62]

Also known as: Turtle, UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1967

Related Models

• Seiko 4484-880
• Seiko 3862-852
• Seiko 3897-538
• Seiko 5681-367
• Seiko 4491-914
• Seiko 6292-845
• Seiko 5237-757
• Seiko 3891-883
• Seiko 6241-486
• Seiko 0739-466
• Seiko 5245-204
• Seiko 5282-166