Seiko Cal. 6677 - 300

The 6677-300 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6677 caliber with 26j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-a837474d8905]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1983

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