Seiko Cal. 6178 - 218

This Spring Drive model from 1965 features a 41mm PVD Black case. It features a Cream dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-ef064b79538b]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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