Seiko Cal. 7148 - 721

The Seiko 7148-721 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e327a9044b53]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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