Seiko Cal. 3863 - 637

Seiko 3863-637

This Quartz model from 1976 features a 39mm Two-Tone case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3b4cf60d6625]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
39mm
Case Thickness
14.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1976

Related Models

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