Seiko Cal. 3818 - 615

Seiko 3818-615

This Quartz model from 1979 features a 35mm PVD Black case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-03fe9d8f3ec2]

Also known as: Tuna, Bellmatic

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
35mm
Case Thickness
8.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1979

Related Models

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