Seiko Cal. 3877 - 170

This Spring Drive model from 1983 features a 45mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-310b557e64db]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1983

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