Seiko Cal. 7139 - 812

Seiko 7139-812

The 7139-812 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-9dd4182f8ec7]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Cream
Jewels
22j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1974

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