Seiko Cal. 6148 - 740

The 6148-740 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6148 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-49a20337aa16]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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