Seiko Cal. 3870 - 102

Seiko 3870-102

This Automatic model from 1989 features a 40mm Stainless Steel case. Powered by the 3870 caliber with 35j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-2e88e3c3aca1]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
35j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1989

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