Seiko Cal. 4555 - 331

The 4555-331 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7c22a7a98b1c]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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