Seiko Cal. 3874 - 243

Seiko 3874-243

The Seiko 3874-243 represents an important milestone in Seiko's 1981 lineup. Powered by the 3874 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-6587fea18483]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1981

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seikata-wm-6587fea18483