Seiko Cal. 3897 - 731

Seiko 3897-731

The 3897-731 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-4a940cf9a7a7]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1989

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