Seiko Cal. 4538 - 852

Seiko 4538-852

The Seiko 4538-852 represents an important milestone in Seiko's 1981 lineup. Powered by the 4538 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-661a68efb262]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1981

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seikata-wm-661a68efb262