Seiko Cal. 4488 - 680

The 4488-680 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4488 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-e3f1908e0f87]

Also known as: Samurai, Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1991

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