Seiko Cal. 3880 - 537

The 3880-537 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3880 caliber with 35j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-d8e87954a644]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1973

Related Models

• Seiko 0769-563
• Seiko 3810-329
• Seiko 6634-630
• Seiko 6147-627
• Seiko 6242-550
• Seiko 7056-558
• Seiko 6322-554
• Seiko 6213-671
• Seiko 4551-285
• Seiko 4416-934
• Seiko 5231-512
• Seiko 6647-537