Seiko Cal. 5237 - 653

The Seiko 5237-653 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-d120a9bd0f93]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1993

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