Seiko Cal. 4536 - 555

Seiko 4536-555

Released in 1973, the Cal. 4536 with design code 555 was part of Seiko's domestic market collection. Powered by the 4536 caliber with 33j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-295b66b640df]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1973

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