Seiko Cal. 5237 - 855

The 5237-855 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5237 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e000b7da6d66]

Also known as: Tuna, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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