Seiko Cal. 4491 - 220

The 4491-220 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-3dcd473eafc1]

Also known as: Turtle, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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