Seiko Cal. 3878 - 937

Seiko 3878-937

This Quartz model from 1978 features a 34mm Two-Tone case. Powered by the 3878 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-f1109d411e65]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
34mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1978

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