Seiko Cal. 4498 - 643

This Automatic model from 1969 features a 37mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-94431d12c357]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

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