Seiko Cal. 5641 - 575

The Seiko 5641-575 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-e23cf05456fb]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1997

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