Seiko Cal. 3831 - 171

The 3831-171 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3831 caliber with 19j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-18803a1180f0]

Also known as: Sumo, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1989

Related Models

• Seiko 5253-864
• Seiko 4449-406
• Seiko 7039-384
• Seiko 5661-187
• Seiko 6631-821
• Seiko 0745-312
• Seiko 6166-868
• Seiko 4471-136
• Seiko 7075-326
• Seiko 4526-516
• Seiko 7197-371
• Seiko 6233-427