Seiko Cal. 4554 - 413

The 4554-413 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-3fe7ca02c713]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1967

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