Seiko Cal. 0730 - 748

The 0730-748 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0730 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-e60731bc3cc9]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1974

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