Seiko Cal. 4464 - 378

Seiko 4464-378

This Automatic model from 1987 features a 34mm Two-Tone case. Powered by the 4464 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-ce68c5150df0]

Also known as: Tuna, Bellmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1987

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