Seiko Cal. 4527 - 842

Seiko 4527-842

The Seiko 4527-842 represents an important milestone in Seiko's 1978 lineup. Powered by the 4527 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-0445e15b2270]

Also known as: Helmet, Silverwave

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1978

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seikata-wm-0445e15b2270