Seiko Cal. 5635 - 421

The Seiko 5635-421 represents an important milestone in Seiko's 1994 lineup. Powered by the 5635 caliber with 26j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-2c3f949829ac]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1994

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