Seiko Cal. 5677 - 817

The Seiko 5677-817 represents an important milestone in Seiko's 1976 lineup. Powered by the 5677 caliber with 32j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-c03c171b2675]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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