Seiko Cal. 4577 - 795

This Hand-Winding model from 1971 features a 37mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-22495ac9e141]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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