Seiko Cal. 6383 - 933

This Spring Drive model from 1990 features a 36mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-240db8b6dd0a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1990

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