Seiko Cal. 6631 - 703

Seiko 6631-703

The 6631-703 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-374e8e588a91]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1976

Related Models

seikata-wm-374e8e588a91