Seiko Cal. 3875 - 421

Seiko 3875-421

The Seiko 3875-421 represents an important milestone in Seiko's 1986 lineup. Powered by the 3875 caliber with 22j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-2db6b7faa12c]

Also known as: Helmet, Rally

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
39mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Cream
Jewels
22j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1986

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