Seiko Cal. 7139 - 274

Seiko 7139-274

The 7139-274 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-6ae21c3d2daf]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1977

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