Seiko Cal. 0748 - 642

The Seiko 0748-642 represents an important milestone in Seiko's 1989 lineup. Powered by the 0748 caliber with 23j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-bb38103cd5d1]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1989

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