Seiko Cal. 7150 - 731

The Seiko 7150-731 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-f86d9bbbb5e7]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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