Seiko Cal. 5236 - 731

Seiko 5236-731

The 5236-731 is a sought-after Solar piece from Seiko's golden era. Powered by the 5236 caliber with 22j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-da309e7f3541]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1988

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seikata-wm-da309e7f3541