Seiko Cal. 3870 - 502

Seiko 3870-502

The 3870-502 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ff58f4af7c4d]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
33j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1994

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