Seiko Cal. 5237 - 434

The 5237-434 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5237 caliber with 21j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-9c811fb93bcc]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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