Seiko Cal. 6635 - 310

Seiko 6635-310

The Seiko 6635-310 represents an important milestone in Seiko's 1992 lineup. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-aaed47ed113c]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1992

Related Models

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