Seiko Cal. 6243 - 745

The Seiko 6243-745 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-2ed76de6b610]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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