Seiko Cal. 4537 - 621

The Seiko 4537-621 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f05dbedae190]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1983

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