Seiko Cal. 4488 - 318

Seiko 4488-318

This Spring Drive model from 1971 features a 36mm Titanium case. Powered by the 4488 caliber with 17j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-86f4a563aeb0]

Also known as: Sumo, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Champagne
Jewels
17j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1971

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