Seiko Cal. 6138 - 766

Seiko 6138-766

The Seiko 6138-766 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e72c2fa0c6ac]

Also known as: Helmet, UFO

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Champagne
Jewels
26j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1978

Related Models

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