Seiko Cal. 6677 - 466

The 6677-466 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6677 caliber with 20j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-8153349f4c76]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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