Seiko Cal. 3840 - 675

The 3840-675 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-c5e8cfe42c71]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1983

Related Models

• Seiko 6187-869
• Seiko 6652-976
• Seiko 6655-990
• Seiko 6176-610
• Seiko 6697-448
• Seiko 6126-540
• Seiko 5658-922
• Seiko 5283-202
• Seiko 3843-408
• Seiko 3885-779
• Seiko 7144-757
• Seiko 6340-545