Seiko Cal. 4488 - 510

This Spring Drive model from 1966 features a 39mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-8a2ee4881335]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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