Seiko Cal. 4477 - 738

The Seiko 4477-738 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-c8d7fc2819b9]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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