Seiko Cal. 3871 - 203

Seiko 3871-203

This Automatic model from 1998 features a 42mm Gold-Plated case. Powered by the 3871 caliber with 36j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c7861481c21b]

Also known as: Monster, Crown

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1998

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seikata-wm-c7861481c21b