Seiko Cal. 3874 - 551

The Seiko 3874-551 represents an important milestone in Seiko's 1972 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-9ceb392e2958]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1972

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