Seiko Cal. 7165 - 637

Seiko 7165-637

This Solar model from 1983 features a 36mm PVD Black case. Powered by the 7165 caliber with 27j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-2ef91dfe27d9]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
36mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
100m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1983

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