Seiko Cal. 0748 - 660

The Seiko 0748-660 represents an important milestone in Seiko's 1990 lineup. Powered by the 0748 caliber with 31j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-1b6fca70649b]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1990

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