Seiko Cal. 6677 - 278

The Seiko 6677-278 represents an important milestone in Seiko's 1968 lineup. Powered by the 6677 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-12ecd1bc8d51]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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