Seiko Cal. 0748 - 355

The Seiko 0748-355 represents an important milestone in Seiko's 1986 lineup. Powered by the 0748 caliber with 21j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-308aaf19e556]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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