Seiko Cal. 7170 - 410

The 7170-410 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7170 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-2323ff59a60b]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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