Seiko Cal. 6658 - 534

Seiko 6658-534

The Seiko 6658-534 represents an important milestone in Seiko's 1978 lineup. Powered by the 6658 caliber with 17j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-dd12ea52b5d1]

Also known as: UFO, Emperor

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
35mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1978

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