Seiko Cal. 7170 - 621

The 7170-621 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7170 caliber with 33j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-d948c673b3f2]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1988

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