Seiko Cal. 6342 - 717

The Seiko 6342-717 represents an important milestone in Seiko's 1974 lineup. Powered by the 6342 caliber with 21j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-1059f3256eb4]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1974

Related Models

• Seiko 6288-660
• Seiko 5265-113
• Seiko 5676-237
• Seiko 3815-833
• Seiko 0782-686
• Seiko 5291-190
• Seiko 7120-283
• Seiko 0782-654
• Seiko 4523-481
• Seiko 4430-904
• Seiko 5211-564
• Seiko 6265-277