Seiko Cal. 6370 - 550

Seiko 6370-550

This Spring Drive model from 1990 features a 37mm Titanium case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bae8b3a3abfc]

Also known as: Monster, Rally

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1990

Related Models

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