Seiko Cal. 6646 - 972

The 6646-972 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6646 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-e22d98d53494]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

Related Models

• Seiko 5258-984
• Seiko 5672-332
• Seiko 5689-637
• Seiko 6395-810
• Seiko 4565-874
• Seiko 3825-861
• Seiko 5295-280
• Seiko 4543-494
• Seiko 7090-232
• Seiko 7189-549
• Seiko 7092-265
• Seiko 6173-876