Seiko Cal. 6647 - 325

The 6647-325 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6647 caliber with 22j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-8fe527df59ea]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

Related Models

• Seiko 7162-351
• Seiko 5645-804
• Seiko 3881-867
• Seiko 6680-539
• Seiko 4528-296
• Seiko 7099-566
• Seiko 3871-732
• Seiko 3851-284
• Seiko 0728-214
• Seiko 5669-223
• Seiko 6136-454
• Seiko 4517-624