Seiko Cal. 6371 - 343

The Seiko 6371-343 represents an important milestone in Seiko's 1977 lineup. Powered by the 6371 caliber with 17j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-c248a2597be4]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

Related Models

• Seiko 6134-801
• Seiko 0720-357
• Seiko 6332-351
• Seiko 7121-543
• Seiko 6217-661
• Seiko 0724-881
• Seiko 6164-429
• Seiko 6178-994
• Seiko 0771-172
• Seiko 7157-358
• Seiko 4563-519
• Seiko 7029-372