Seiko Cal. 4556 - 846

The 4556-846 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4556 caliber with 19j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-c15cab9a0ac3]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1996

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