Seiko Cal. 3870 - 877

Seiko 3870-877

This Automatic model from 1991 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-b7bc16879680]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1991

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seikata-wm-b7bc16879680