Seiko Cal. 6148 - 631

Released in 1974, the Cal. 6148 with design code 631 was part of Seiko's domestic market collection. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-6de2beb0e00e]

Also known as: Helmet, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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