Seiko Cal. 5281 - 374

The Seiko 5281-374 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1520e91cdd0e]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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