Seiko Cal. 6627 - 654

Seiko 6627-654

The 6627-654 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6627 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0a8ad18fb566]

Also known as: Golden Tuna, Emperor

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
10.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1991

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