Seiko Cal. 7170 - 441

The Seiko 7170-441 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ee338c3dd0df]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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