Seiko Cal. 3817 - 752

Seiko 3817-752

This Hand-Winding model from 1968 features a 37mm PVD Black case. Powered by the 3817 caliber with 27j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-0780f4477fe4]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1968

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