Seiko Cal. 5658 - 252

Seiko 5658-252

The Seiko 5658-252 represents an important milestone in Seiko's 1978 lineup. Powered by the 5658 caliber with 32j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-4580df2b2048]

Also known as: Monster, Helmet

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Green
Jewels
32j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1978

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seikata-wm-4580df2b2048