Seiko Cal. 6237 - 527

The Seiko 6237-527 represents an important milestone in Seiko's 1974 lineup. Powered by the 6237 caliber with 31j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-58e024827501]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1974

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