Seiko Cal. 5237 - 413

The Seiko 5237-413 represents an important milestone in Seiko's 1980 lineup. Powered by the 5237 caliber with 33j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d8ff4cdc8e77]

Also known as: Bullhead, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1980

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