Seiko Cal. 4577 - 416

This Hand-Winding model from 1986 features a 37mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-3299b11e2435]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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