Seiko Cal. 5677 - 720

The 5677-720 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-eb821cc6def9]

Also known as: Monster, Pogue

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1981

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