Seiko Cal. 0728 - 561

Seiko 0728-561

The Seiko 0728-561 represents an important milestone in Seiko's 1986 lineup. Powered by the 0728 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-8ea7330868c2]

Also known as: UFO, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
15.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1986

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