Seiko Cal. 7138 - 820

The Seiko 7138-820 represents an important milestone in Seiko's 1995 lineup. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-536bbabf6f16]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1995

Related Models

• Seiko 6258-540
• Seiko 7154-741
• Seiko 6252-342
• Seiko 0797-928
• Seiko 6329-543
• Seiko 3861-234
• Seiko 6363-918
• Seiko 6126-960
• Seiko 6215-899
• Seiko 4598-762
• Seiko 6260-706
• Seiko 0799-652