Seiko Cal. 3843 - 557

Seiko 3843-557

The Seiko 3843-557 represents an important milestone in Seiko's 1986 lineup. Powered by the 3843 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-ae2fc8ed65c1]

Also known as: Rally, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
36j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1986

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