Seiko Cal. 4444 - 388

The 4444-388 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-73fc745c140f]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1988

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