Seiko Cal. 0721 - 345

Seiko 0721-345

This Solar model from 1966 features a 43mm Stainless Steel case. Powered by the 0721 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-da4eca36bc4f]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
35j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1966

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