Seiko Cal. 6687 - 703

The Seiko 6687-703 represents an important milestone in Seiko's 1975 lineup. Powered by the 6687 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-b098e0d23831]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1975

Related Models

• Seiko 4513-417
• Seiko 4584-203
• Seiko 6159-320
• Seiko 6350-213
• Seiko 3822-254
• Seiko 0712-139
• Seiko 7188-529
• Seiko 7064-562
• Seiko 4532-884
• Seiko 6195-119
• Seiko 6140-650
• Seiko 7037-602