Seiko Cal. 6155 - 172

This Hand-Winding model from 1984 features a 35mm Two-Tone case. Powered by the 6155 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-2ff1b874e87b]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1984

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