Seiko Cal. 5677 - 771

The Seiko 5677-771 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-029b86caff6e]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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