Seiko Cal. 6155 - 638

The Seiko 6155-638 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c040009d7114]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1998

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