Seiko Cal. 3874 - 528

The Seiko 3874-528 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-5d4ce2ec829b]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

Related Models

• Seiko 7165-912
• Seiko 4529-924
• Seiko 5636-983
• Seiko 7190-486
• Seiko 4585-414
• Seiko 6275-880
• Seiko 5633-511
• Seiko 0738-997
• Seiko 6352-828
• Seiko 4425-715
• Seiko 6177-970
• Seiko 6289-247