Seiko Cal. 4491 - 540

The 4491-540 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ca72dd10bd9a]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1973

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