Seiko Cal. 4537 - 528

The Seiko 4537-528 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8e648e26933e]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

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