Seiko Cal. 4433 - 437

The 4433-437 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-765d1a35bb39]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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