Seiko Cal. 6148 - 840

Seiko 6148-840

The Seiko 6148-840 represents an important milestone in Seiko's 1971 lineup. Powered by the 6148 caliber with 18j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e96f7926b63c]

Also known as: Helmet, Silverwave

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
200m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1971

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