Seiko Cal. 0770 - 431

The 0770-431 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-4bc786059b57]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

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