Seiko Cal. 6311 - 639

This Hand-Winding model from 1990 features a 43mm PVD Black case. Powered by the 6311 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-5ee965663924]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1990

Related Models

• Seiko 6271-113
• Seiko 4480-862
• Seiko 0762-269
• Seiko 0733-418
• Seiko 6187-895
• Seiko 5638-432
• Seiko 6614-485
• Seiko 6393-652
• Seiko 6389-423
• Seiko 0772-562
• Seiko 6295-994
• Seiko 6148-940