Seiko Cal. 4434 - 820

Released in 1972, the Cal. 4434 with design code 820 was part of Seiko's domestic market collection. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-08db7abb1106]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

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