Seiko Cal. 4555 - 498

Released in 1968, the Cal. 4555 with design code 498 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-fdbf509cf609]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

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