Seiko Cal. 4540 - 341

This Spring Drive model from 1966 features a 44mm Gold-Plated case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fff7834d7b07]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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