Seiko Cal. 3878 - 473

Seiko 3878-473

This Quartz model from 1989 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-22bda6a91a61]

Also known as: Sumo, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1989

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