Seiko Cal. 7150 - 643

The 7150-643 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e1a9ed67dd37]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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