Seiko Cal. 6632 - 337

This Automatic model from 1968 features a 42mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-768efce3a0f7]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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