Seiko Cal. 4444 - 828

The 4444-828 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4444 caliber with 31j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-78a46bf569c4]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1996

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