Seiko Cal. 7191 - 399

The 7191-399 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7191 caliber with 18j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-c3925b36ed76]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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