Seiko Cal. 7123 - 437

Seiko 7123-437

The 7123-437 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7123 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-db404c6b43e5]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1968

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