Seiko Cal. 7161 - 537

This Solar model from 1991 features a 35mm Stainless Steel case. Powered by the 7161 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-01aabb26fe50]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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