Seiko Cal. 5611 - 438

The Seiko 5611-438 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-fa9c39e371ec]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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