Seiko Cal. 5645 - 977

Seiko 5645-977

The Seiko 5645-977 represents an important milestone in Seiko's 1983 lineup. Powered by the 5645 caliber with 29j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-051efaf37295]

Also known as: Monster

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1983

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