Seiko Cal. 6646 - 330

This Quartz model from 1972 features a 37mm Two-Tone case. Powered by the 6646 caliber with 19j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-94b0379873ed]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1972

Related Models

• Seiko 5684-937
• Seiko 7149-844
• Seiko 5260-972
• Seiko 6110-865
• Seiko 6156-820
• Seiko 6120-797
• Seiko 7153-542
• Seiko 6223-671
• Seiko 5265-193
• Seiko 6142-519
• Seiko 3876-696
• Seiko 4486-926