Seiko Cal. 7121 - 638

Seiko 7121-638

The 7121-638 is a sought-after Solar piece from Seiko's golden era. Powered by the 7121 caliber with 23j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-63c5bd36a8c6]

Also known as: Turtle

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1971

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seikata-wm-63c5bd36a8c6