Seiko Cal. 6157 - 631

The 6157-631 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-3c723ba83b3e]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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