Seiko Cal. 3891 - 650

The 3891-650 is a sought-after Solar piece from Seiko's golden era. Powered by the 3891 caliber with 30j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-2ab249c1d4d7]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

Related Models

• Seiko 6661-863
• Seiko 3876-769
• Seiko 6260-251
• Seiko 5295-434
• Seiko 3817-935
• Seiko 0772-344
• Seiko 6136-181
• Seiko 5652-681
• Seiko 4434-685
• Seiko 6282-481
• Seiko 7177-907
• Seiko 5294-303