Seiko Cal. 7177 - 553

This Solar model from 1971 features a 45mm Hardlex-Coated Steel case. Powered by the 7177 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-5eba6dbf1b7b]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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