Seiko Cal. 4557 - 740

The Seiko 4557-740 represents an important milestone in Seiko's 1985 lineup. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-81dd8a77fcc8]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1985

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