Seiko Cal. 7123 - 550

Seiko 7123-550

The 7123-550 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6c8a5c922f63]

Also known as: Monster, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Champagne
Jewels
28j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1970

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