Seiko Cal. 4540 - 159

This Spring Drive model from 1968 features a 34mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-fb9c62c73a8f]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1968

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