Seiko Cal. 3878 - 133

Seiko 3878-133

The 3878-133 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3878 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-8fe73fde9924]

Also known as: Shogun, Sportsmatic

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
39mm
Case Thickness
12.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1972

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