Seiko Cal. 5624 - 638

The Seiko 5624-638 represents an important milestone in Seiko's 1982 lineup. Powered by the 5624 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-014e9fe1aa42]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1982

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