Seiko Cal. 7184 - 381

The 7184-381 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7184 caliber with 26j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-eaf9ffbc1161]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1990

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