Seiko Cal. 5247 - 423

The Seiko 5247-423 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-e9ba8c53f166]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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