Seiko Cal. 5677 - 787

This Automatic model from 1984 features a 37mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-1d2cc151901e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1984

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