Seiko Cal. 6644 - 930

Seiko 6644-930

The Seiko 6644-930 represents an important milestone in Seiko's 1987 lineup. Powered by the 6644 caliber with 33j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-13766120ce85]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
35mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1987

Related Models

seikata-wm-13766120ce85