Seiko Cal. 3871 - 950

The Seiko 3871-950 represents an important milestone in Seiko's 1972 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-d80ade2d2159]

Also known as: Samurai, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

Related Models

• Seiko 6697-467
• Seiko 5617-170
• Seiko 5244-756
• Seiko 5224-534
• Seiko 0746-160
• Seiko 3856-683
• Seiko 6240-738
• Seiko 5629-746
• Seiko 7117-383
• Seiko 6279-870
• Seiko 6292-514
• Seiko 7044-300