Seiko Cal. 4435 - 254

The 4435-254 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-8724fd66da44]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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