Seiko Cal. 3870 - 418

Seiko 3870-418

This Automatic model from 1998 features a 37mm Two-Tone case. Powered by the 3870 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-fa6598c40dcf]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1998

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