Seiko Cal. 0740 - 188

Seiko 0740-188

The Seiko 0740-188 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-43a2dde6532d]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1968

Related Models

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