Seiko Cal. 6342 - 677

The Seiko 6342-677 represents an important milestone in Seiko's 1980 lineup. Powered by the 6342 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-89648e960f21]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

Related Models

• Seiko 4481-933
• Seiko 6636-419
• Seiko 7167-569
• Seiko 4574-760
• Seiko 3824-380
• Seiko 3858-181
• Seiko 4495-735
• Seiko 6229-395
• Seiko 6281-862
• Seiko 3840-860
• Seiko 7065-670
• Seiko 4580-355