Seiko Cal. 4456 - 987

Seiko 4456-987

The Seiko 4456-987 represents an important milestone in Seiko's 1979 lineup. Powered by the 4456 caliber with 35j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a1035fee55a0]

Also known as: Crown, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
10.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1979

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