Seiko Cal. 3872 - 740

Seiko 3872-740

The 3872-740 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-2e2c0839b191]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1977

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seikata-wm-2e2c0839b191