Seiko Cal. 5631 - 165

Seiko 5631-165

This Automatic model from 1979 features a 34mm Gold-Plated case. Powered by the 5631 caliber with 29j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-7897d1eedd0b]

Also known as: Sumo, Panda

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1979

Related Models

seikata-wm-7897d1eedd0b