Seiko Cal. 4496 - 540

This Spring Drive model from 1965 features a 37mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-3b63d8b967ae]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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