Seiko Cal. 6631 - 321

Seiko 6631-321

The 6631-321 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-61957de63bac]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
34mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1969

Related Models

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