Seiko Cal. 4443 - 420

Released in 1975, the Cal. 4443 with design code 420 was part of Seiko's domestic market collection. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-825df361aba9]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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