Seiko Cal. 7138 - 646

The Seiko 7138-646 represents an important milestone in Seiko's 1996 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-abdab7f0fcbe]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1996

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