Seiko Cal. 6315 - 990

The 6315-990 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6315 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-879eb32466ad]

Also known as: Monster, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

Related Models

• Seiko 7182-687
• Seiko 7145-313
• Seiko 7093-342
• Seiko 6123-949
• Seiko 4546-914
• Seiko 6267-318
• Seiko 6174-350
• Seiko 4428-768
• Seiko 6342-622
• Seiko 6270-712
• Seiko 7147-432
• Seiko 5618-129