Seiko Cal. 6148 - 145

The Seiko 6148-145 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-445d4320567f]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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