Seiko Cal. 6154 - 839

The 6154-839 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e6fc7a824b63]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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