Seiko Cal. 3823 - 757

Seiko 3823-757

This Spring Drive model from 1986 features a 38mm Gold-Plated case. Powered by the 3823 caliber with 18j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a63a57e3b6a7]

Also known as: Monster, Helmet

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1986

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