Seiko Cal. 6135 - 645

The 6135-645 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6135 caliber with 26j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-eacb6ddbc015]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

Related Models

• Seiko 5296-753
• Seiko 5621-635
• Seiko 4537-807
• Seiko 7023-300
• Seiko 0762-819
• Seiko 6353-331
• Seiko 6335-103
• Seiko 6685-489
• Seiko 6699-849
• Seiko 0735-601
• Seiko 5256-645
• Seiko 7165-831