Seiko Cal. 3891 - 507

Seiko 3891-507

This Solar model from 1990 features a 37mm PVD Black case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-f0e6dffee789]

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1990

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