Seiko Cal. 4537 - 186

The Seiko 4537-186 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-5bef678c6c14]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1993

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