Seiko Cal. 5228 - 764

The Seiko 5228-764 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-7cf3d14e8171]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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