Seiko Cal. 3870 - 170

Seiko 3870-170

This Quartz model from 1992 features a 44mm Stainless Steel case. Powered by the 3870 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-b89117ffd3e9]

Also known as: Monster, Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
23j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1992

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