Seiko Cal. 4564 - 355

The Seiko 4564-355 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-fba9c07d587c]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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