Seiko Cal. 4413 - 277

This Spring Drive model from 1975 features a 35mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-667c9dcf10d8]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

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