Seiko Cal. 7020 - 639

Seiko 7020-639

This Automatic model from 1991 features a 40mm Titanium case. Powered by the 7020 caliber with 30j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-bdb134bb01cf]

Also known as: Goldfeather

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
13.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1991

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