Seiko Cal. 0723 - 437

This Spring Drive model from 1991 features a 37mm PVD Black case. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-f5a78cc74b80]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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