Seiko Cal. 4527 - 100

Seiko 4527-100

The 4527-100 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4527 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-9167a24d02e5]

Also known as: Turtle, Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1968

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