Seiko Cal. 3861 - 500

Seiko 3861-500

This Hand-Winding model from 1973 features a 36mm PVD Black case. Powered by the 3861 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-7b5ddfb48a84]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1973

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seikata-wm-7b5ddfb48a84