Seiko Cal. 6647 - 172

This Automatic model from 1983 features a 38mm Stainless Steel case. Powered by the 6647 caliber with 35j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-9e5d8aae5760]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1983

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