Seiko Cal. 3879 - 630

Seiko 3879-630

Released in 1987, the Cal. 3879 with design code 630 was part of Seiko's domestic market collection. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-592a6e476d6b]

Also known as: Monster, UFO

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Champagne
Jewels
17j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1987

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