Seiko Cal. 7157 - 630

The Seiko 7157-630 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8d1b5cd772ea]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1975

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