Seiko Cal. 0727 - 256

This Hand-Winding model from 1972 features a 37mm PVD Black case. Powered by the 0727 caliber with 28j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-01613d27d5fa]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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