Seiko Cal. 6154 - 103

The 6154-103 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-c1651b9fa8ab]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1987

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