Seiko Cal. 7121 - 741

The Seiko 7121-741 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-47481c23940f]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

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