Seiko Cal. 3843 - 645

Seiko 3843-645

This Quartz model from 1969 features a 40mm Two-Tone case. With its 19mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-53214cd4b73e]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1969

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seikata-wm-53214cd4b73e