Seiko Cal. 4435 - 641

The Seiko 4435-641 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-6fa68ce34383]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1984

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