Seiko Cal. 4497 - 645

The Seiko 4497-645 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-0d7265ed4fa4]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1998

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