Seiko Cal. 7153 - 931

The Seiko 7153-931 represents an important milestone in Seiko's 1988 lineup. Powered by the 7153 caliber with 28j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-0f0f00d91c7b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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