Seiko Cal. 4511 - 997

The 4511-997 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4511 caliber with 30j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-86405fee31c8]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1966

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