Seiko Cal. 4413 - 631

The Seiko 4413-631 represents an important milestone in Seiko's 1998 lineup. Powered by the 4413 caliber with 28j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-e0762a3fbdfb]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1998

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