Seiko Cal. 6677 - 287

The Seiko 6677-287 represents an important milestone in Seiko's 1977 lineup. Powered by the 6677 caliber with 36j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-39bce63b5373]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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