Seiko Cal. 5677 - 677

Released in 1972, the Cal. 5677 with design code 677 was part of Seiko's domestic market collection. Powered by the 5677 caliber with 33j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-bfc7a3bf9236]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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