Seiko Cal. 6136 - 178

The Seiko 6136-178 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-1a38a53f94d1]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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