Seiko Cal. 5277 - 687

The Seiko 5277-687 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-4fab6c2baa8b]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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