Seiko Cal. 4518 - 400

This Spring Drive model from 1993 features a 45mm Gold-Plated case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-688830d42cee]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1993

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