Seiko Cal. 7161 - 546

This Hand-Winding model from 1979 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-e0f7bf2ebcfc]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1979

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