Seiko Cal. 4412 - 171

This Spring Drive model from 1965 features a 39mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-1ffcd7fac6ef]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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