Seiko Cal. 4515 - 168

Seiko 4515-168

This Spring Drive model from 1976 features a 34mm Hardlex-Coated Steel case. Powered by the 4515 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-0f7ea5d496b6]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1976

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