Seiko Cal. 7110 - 557

This Hand-Winding model from 1997 features a 39mm Two-Tone case. Powered by the 7110 caliber with 17j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-ebe0c577f95a]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1997

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