Seiko Cal. 6140 - 975

The 6140-975 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-b2aab0c9f2c9]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1994

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