Seiko Cal. 4426 - 397

Seiko 4426-397

This Automatic model from 1986 features a 36mm Hardlex-Coated Steel case. Powered by the 4426 caliber with 31j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-db17e7a0ca88]

Also known as: Monster, Goldfeather

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1986

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