Seiko Cal. 6330 - 438

This Spring Drive model from 1980 features a 40mm Titanium case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bfdc0fd0f74b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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