Seiko Cal. 7128 - 501

The 7128-501 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7128 caliber with 24j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ee7ef5cfffce]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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