Seiko Cal. 5237 - 133

Released in 1988, the Cal. 5237 with design code 133 was part of Seiko's domestic market collection. Powered by the 5237 caliber with 34j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-565fa7cfe6ac]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

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