Seiko Cal. 3873 - 736

The Seiko 3873-736 represents an important milestone in Seiko's 1973 lineup. Powered by the 3873 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-2b4bce647762]

Also known as: Shogun, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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