Seiko Cal. 3877 - 638

Seiko 3877-638

This Quartz model from 1978 features a 44mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-e7513d5b2a5e]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
14.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1978

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