Seiko Cal. 7177 - 228

This Spring Drive model from 1998 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-81e7112fd89f]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1998

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