Seiko Cal. 3867 - 631

The 3867-631 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ff2387a9960d]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1994

Related Models

• Seiko 5658-489
• Seiko 6314-675
• Seiko 6197-593
• Seiko 7011-844
• Seiko 3838-391
• Seiko 7030-257
• Seiko 5228-879
• Seiko 4469-858
• Seiko 6210-204
• Seiko 6210-867
• Seiko 6321-616
• Seiko 6277-646