Seiko Cal. 3873 - 256

This Quartz model from 1974 features a 40mm Titanium case. Powered by the 3873 caliber with 29j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-00128ae2120e]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

Related Models

• Seiko 4484-984
• Seiko 7027-449
• Seiko 7129-914
• Seiko 0757-871
• Seiko 5649-871
• Seiko 0725-156
• Seiko 0748-548
• Seiko 6651-920
• Seiko 4583-423
• Seiko 5664-452
• Seiko 3832-452
• Seiko 6163-942