Seiko Cal. 6157 - 643

This Hand-Winding model from 1981 features a 44mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-c5def6cee1c1]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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