Seiko Cal. 0740 - 310

Seiko 0740-310

The 0740-310 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-b6e5f1a30667]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1993

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