Seiko Cal. 6140 - 744

Seiko 6140-744

The 6140-744 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-e0772d51e710]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1998

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