Seiko Cal. 6140 - 578

The 6140-578 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-bdd8562648d2]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1994

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