Seiko Cal. 7161 - 601

The 7161-601 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7161 caliber with 27j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-a40f5a1ba73b]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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