Seiko Cal. 3879 - 437

Seiko 3879-437

This Hand-Winding model from 1989 features a 45mm Two-Tone case. Powered by the 3879 caliber with 29j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-235bc1f4de73]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
45mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
29j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1989

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seikata-wm-235bc1f4de73