Seiko Cal. 6140 - 389

This Automatic model from 1979 features a 45mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-de5dfa17547c]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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