Seiko Cal. 7140 - 421

Seiko 7140-421

The 7140-421 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-045116303397]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1977

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seikata-wm-045116303397