Seiko Cal. 4577 - 703

The Seiko 4577-703 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-22aabcf89db9]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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