Seiko Cal. 4480 - 366

This Spring Drive model from 1976 features a 36mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-fa6c2faba139]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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