Seiko Cal. 4554 - 978

The 4554-978 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4554 caliber with 19j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-815d3747daf1]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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