Seiko Cal. 6288 - 440

The 6288-440 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6288 caliber with 34j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-fa8ded3432d1]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1993

Related Models

• Seiko 6217-560
• Seiko 6138-894
• Seiko 6636-392
• Seiko 0770-191
• Seiko 4511-743
• Seiko 5663-536
• Seiko 5277-998
• Seiko 3893-393
• Seiko 7098-481
• Seiko 6165-486
• Seiko 6276-623
• Seiko 6174-641