Seiko Cal. 4537 - 715

The Seiko 4537-715 represents an important milestone in Seiko's 1985 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7d6341c4ad54]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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