Seiko Cal. 3891 - 487

Seiko 3891-487

The 3891-487 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-58d4faeb62b5]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1995

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