Seiko Cal. 6631 - 314

The 6631-314 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6631 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2c641f404ad7]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1995

Related Models

• Seiko 6619-476
• Seiko 0770-735
• Seiko 5275-861
• Seiko 4487-976
• Seiko 7040-412
• Seiko 6365-168
• Seiko 5672-691
• Seiko 0763-889
• Seiko 5251-352
• Seiko 6392-606
• Seiko 5658-912
• Seiko 6313-684