Seiko Cal. 5654 - 780

Seiko 5654-780

The Seiko 5654-780 represents an important milestone in Seiko's 1971 lineup. Powered by the 5654 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-68617e365fe0]

Also known as: Monster, UFO

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
31j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1971

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