Seiko Cal. 7123 - 378

Seiko 7123-378

The 7123-378 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7123 caliber with 21j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-f2c26a1d8718]

Also known as: Tuna, Bullhead

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
43mm
Case Thickness
11.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1976

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