Seiko Cal. 3840 - 172

The 3840-172 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-aa127c7b8fbf]

Also known as: Rally, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1985

Related Models

• Seiko 6177-218
• Seiko 0732-849
• Seiko 6312-782
• Seiko 6365-615
• Seiko 6142-631
• Seiko 5689-308
• Seiko 6347-587
• Seiko 3832-292
• Seiko 0732-312
• Seiko 6658-766
• Seiko 6690-258
• Seiko 5267-489