Seiko Cal. 5677 - 542

The Seiko 5677-542 represents an important milestone in Seiko's 1965 lineup. Powered by the 5677 caliber with 29j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-c511681a229e]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1965

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