Seiko Cal. 5677 - 716

Seiko 5677-716

The 5677-716 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5677 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-bcd007b69e2f]

Also known as: UFO, Sportsmatic

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
13.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1988

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