Seiko Cal. 3818 - 742

Seiko 3818-742

The 3818-742 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3818 caliber with 23j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-93fac57d4b9e]

Also known as: Turtle, Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Champagne
Jewels
23j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1986

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