Seiko Cal. 7138 - 502

Seiko 7138-502

The 7138-502 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-9701faa066f3]

Also known as: Monster, Navigator

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1973

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