Seiko Cal. 7156 - 630

The 7156-630 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-f126ceba52e9]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1990

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