Seiko Cal. 5638 - 710

Seiko 5638-710

This Solar model from 1975 features a 43mm Stainless Steel case. Powered by the 5638 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-dc66882500e3]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1975

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seikata-wm-dc66882500e3