Seiko Cal. 0728 - 345

This Spring Drive model from 1984 features a 35mm Two-Tone case. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-ca070b5a3b11]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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