Seiko Cal. 6646 - 907

This Quartz model from 1973 features a 36mm Hardlex-Coated Steel case. Powered by the 6646 caliber with 23j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4ede4168a663]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

Related Models

• Seiko 7155-384
• Seiko 0771-216
• Seiko 4417-701
• Seiko 5677-284
• Seiko 4583-650
• Seiko 6247-248
• Seiko 4571-735
• Seiko 0776-801
• Seiko 6382-662
• Seiko 6324-932
• Seiko 7038-331
• Seiko 5258-583