Seiko Cal. 4437 - 632

Seiko 4437-632

Released in 1998, the Cal. 4437 with design code 632 was part of Seiko's domestic market collection. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1b96bdfc431d]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
38mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1998

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