Seiko Cal. 7161 - 355

Released in 1976, the Cal. 7161 with design code 355 was part of Seiko's domestic market collection. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ce3fd84a064d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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