Seiko Cal. 4540 - 421

This Spring Drive model from 1967 features a 42mm Gold-Plated case. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-6b6e8505d6f5]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1967

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