Seiko Cal. 7113 - 997

Seiko 7113-997

This Spring Drive model from 1965 features a 37mm Stainless Steel case. Powered by the 7113 caliber with 22j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-d0b3a846c6eb]

Also known as: Monster, Helmet

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1965

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