Seiko Cal. 7112 - 710

Seiko 7112-710

This Hand-Winding model from 1968 features a 45mm Stainless Steel case. Powered by the 7112 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-240190b3ea1c]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Navy
Jewels
21j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1968

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