Seiko Cal. 6688 - 715

Seiko 6688-715

The 6688-715 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6688 caliber with 23j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-57ae97e18843]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
120m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1976

Related Models

seikata-wm-57ae97e18843