Seiko Cal. 3886 - 644

Seiko 3886-644

This Spring Drive model from 1978 features a 39mm Hardlex-Coated Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-06d1b4466857]

Also known as: Monster, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1978

Related Models

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