Seiko Cal. 6673 - 328

This Automatic model from 1987 features a 37mm Titanium case. Powered by the 6673 caliber with 25j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-f9555c81384d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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