Seiko Cal. 7091 - 527

Seiko 7091-527

The 7091-527 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7091 caliber with 28j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-c226dde46a9c]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1975

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