Seiko Cal. 6136 - 987

The 6136-987 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6136 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-0846650cdebb]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

Related Models

• Seiko 6326-937
• Seiko 6292-955
• Seiko 7141-366
• Seiko 4515-910
• Seiko 7059-256
• Seiko 6313-966
• Seiko 4455-248
• Seiko 6664-720
• Seiko 3849-732
• Seiko 6190-542
• Seiko 4451-182
• Seiko 6387-410