Seiko Cal. 0728 - 316

This Spring Drive model from 1984 features a 45mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-5ec0c0c7bef7]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1984

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