Seiko Cal. 4537 - 121

The Seiko 4537-121 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ab5aa5e14e67]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1993

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