Seiko Cal. 7157 - 812

The Seiko 7157-812 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5aa01dc7cb97]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1975

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