Seiko Cal. 0773 - 331

The 0773-331 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0773 caliber with 18j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-d5d6908342b4]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1988

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