Seiko Cal. 5242 - 804

The 5242-804 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-93362b4732ea]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1984

Related Models

• Seiko 0718-289
• Seiko 6637-144
• Seiko 6620-148
• Seiko 6297-443
• Seiko 6610-824
• Seiko 7139-974
• Seiko 6172-617
• Seiko 7029-160
• Seiko 4574-757
• Seiko 5636-365
• Seiko 6622-974
• Seiko 5267-848