Seiko Cal. 3877 - 973

Seiko 3877-973

This Hand-Winding model from 1975 features a 36mm Two-Tone case. Powered by the 3877 caliber with 24j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-9ade70b2f03d]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Burgundy
Jewels
24j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1975

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seikata-wm-9ade70b2f03d