Seiko Cal. 5628 - 320

The Seiko 5628-320 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-5832ee8a05e4]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1980

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