Seiko Cal. 3810 - 640

Seiko 3810-640

This Quartz model from 1975 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d8e1699edfd2]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1975

Related Models

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