Seiko Cal. 7148 - 310

The Seiko 7148-310 represents an important milestone in Seiko's 1991 lineup. Powered by the 7148 caliber with 26j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-3549f9784759]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

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