Seiko Cal. 4563 - 364

Seiko 4563-364

The Seiko 4563-364 represents an important milestone in Seiko's 1978 lineup. Powered by the 4563 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-95c5925f5536]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
43mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1978

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