Seiko Cal. 7131 - 533

The Seiko 7131-533 represents an important milestone in Seiko's 1976 lineup. Powered by the 7131 caliber with 24j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-debf351a4b15]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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