Seiko Cal. 0748 - 989

The Seiko 0748-989 represents an important milestone in Seiko's 1971 lineup. Powered by the 0748 caliber with 31j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-8bed6cf5d959]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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