Seiko Cal. 3840 - 812

Seiko 3840-812

The 3840-812 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3840 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-a2ae9598fd84]

Also known as: Turtle, Crown

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1976

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