Seiko Cal. 3870 - 124

Released in 1972, the Cal. 3870 with design code 124 was part of Seiko's domestic market collection. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f5faf89cf241]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

Related Models

• Seiko 7110-259
• Seiko 4528-406
• Seiko 4465-450
• Seiko 5667-116
• Seiko 6617-598
• Seiko 4444-557
• Seiko 4472-706
• Seiko 6233-376
• Seiko 4477-955
• Seiko 7173-810
• Seiko 4469-470
• Seiko 5245-267