Seiko Cal. 7161 - 250

This Hand-Winding model from 1998 features a 37mm Stainless Steel case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ea59795ef8ef]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1998

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