Seiko Cal. 7139 - 237

Seiko 7139-237

The 7139-237 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-577d45de9e61]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1984

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