Seiko Cal. 3871 - 304

This Solar model from 1969 features a 37mm Two-Tone case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9e297bd039c0]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

Related Models

• Seiko 6359-546
• Seiko 5242-780
• Seiko 6356-386
• Seiko 6120-102
• Seiko 5647-590
• Seiko 4597-453
• Seiko 4466-185
• Seiko 7094-550
• Seiko 4480-458
• Seiko 5256-641
• Seiko 6311-302
• Seiko 4554-606