Seiko Cal. 6639 - 808

Seiko 6639-808

The Seiko 6639-808 represents an important milestone in Seiko's 1979 lineup. Powered by the 6639 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-880504626c78]

Also known as: Turtle, Sumo

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Champagne
Jewels
31j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1979

Related Models

seikata-wm-880504626c78