Seiko Cal. 5270 - 392

The 5270-392 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-5e044fc39de5]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1975

Related Models

• Seiko 6275-311
• Seiko 6231-936
• Seiko 3857-922
• Seiko 5634-888
• Seiko 6326-457
• Seiko 5641-426
• Seiko 6385-823
• Seiko 4454-668
• Seiko 0746-281
• Seiko 6348-164
• Seiko 7089-151
• Seiko 6160-117