Seiko Cal. 4537 - 831

Seiko 4537-831

The 4537-831 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4537 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-5545eefaef6b]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1985

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