Seiko Cal. 0728 - 306

This Automatic model from 1989 features a 45mm Two-Tone case. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-41a98aac74d3]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1989

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