Seiko Cal. 3818 - 847

Seiko 3818-847

The Seiko 3818-847 represents an important milestone in Seiko's 1971 lineup. Powered by the 3818 caliber with 34j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-c810399847b6]

Also known as: Monster, Bellmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1971

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seikata-wm-c810399847b6