Seiko Cal. 6140 - 637

This Kinetic model from 1965 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-f5d30b4b7097]

Also known as: Sumo, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1965

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